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<a href="#PolkitSubject.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#PolkitSubject.description" class="shortcut">Description</a>
                   | 
                  <a href="#PolkitSubject.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#PolkitSubject.prerequisites" class="shortcut">Prerequisites</a>
                   | 
                  <a href="#PolkitSubject.implementations" class="shortcut">Known Implementations</a>
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<a name="PolkitSubject"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="PolkitSubject.top_of_page"></a>PolkitSubject</span></h2>
<p>PolkitSubject — Type for representing subjects</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="PolkitSubject.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">                    <a class="link" href="PolkitSubject.html#PolkitSubject-struct" title="PolkitSubject">PolkitSubject</a>;
struct              <a class="link" href="PolkitSubject.html#PolkitSubjectIface" title="struct PolkitSubjectIface">PolkitSubjectIface</a>;
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="PolkitSubject.html#polkit-subject-hash" title="polkit_subject_hash ()">polkit_subject_hash</a>                 (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="PolkitSubject.html#polkit-subject-equal" title="polkit_subject_equal ()">polkit_subject_equal</a>                (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *a</code></em>,
                                                         <em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *b</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="PolkitSubject.html#polkit-subject-exists" title="polkit_subject_exists ()">polkit_subject_exists</a>               (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="PolkitSubject.html#polkit-subject-exists-finish" title="polkit_subject_exists_finish ()">polkit_subject_exists_finish</a>        (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html"><span class="type">GAsyncResult</span></a> *res</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="PolkitSubject.html#polkit-subject-exists-sync" title="polkit_subject_exists_sync ()">polkit_subject_exists_sync</a>          (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *             <a class="link" href="PolkitSubject.html#polkit-subject-to-string" title="polkit_subject_to_string ()">polkit_subject_to_string</a>            (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>);
<a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="returnvalue">PolkitSubject</span></a> *     <a class="link" href="PolkitSubject.html#polkit-subject-from-string" title="polkit_subject_from_string ()">polkit_subject_from_string</a>          (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="PolkitSubject.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  GInterface
   +----PolkitSubject
</pre>
</div>
<div class="refsect1">
<a name="PolkitSubject.prerequisites"></a><h2>Prerequisites</h2>
<p>
PolkitSubject requires
 <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p>
</div>
<div class="refsect1">
<a name="PolkitSubject.implementations"></a><h2>Known Implementations</h2>
<p>
PolkitSubject is implemented by
 <a class="link" href="PolkitSystemBusName.html" title="PolkitSystemBusName">PolkitSystemBusName</a>,  <a class="link" href="PolkitUnixProcess.html" title="PolkitUnixProcess">PolkitUnixProcess</a> and  <a class="link" href="PolkitUnixSession.html" title="PolkitUnixSession">PolkitUnixSession</a>.</p>
</div>
<div class="refsect1">
<a name="PolkitSubject.description"></a><h2>Description</h2>
<p>
<a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> is an abstract type for representing one or more
processes.
</p>
</div>
<div class="refsect1">
<a name="PolkitSubject.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="PolkitSubject-struct"></a><h3>PolkitSubject</h3>
<pre class="programlisting">typedef struct _PolkitSubject PolkitSubject;</pre>
<p>
Generic type for all objects that can be used as subjects.
</p>
</div>
<hr>
<div class="refsect2">
<a name="PolkitSubjectIface"></a><h3>struct PolkitSubjectIface</h3>
<pre class="programlisting">struct PolkitSubjectIface {
  GTypeInterface parent_iface;

  guint    (*hash)          (PolkitSubject       *subject);

  gboolean (*equal)         (PolkitSubject       *a,
                             PolkitSubject       *b);

  gchar *  (*to_string)     (PolkitSubject       *subject);

  void     (*exists)        (PolkitSubject       *subject,
                             GCancellable        *cancellable,
                             GAsyncReadyCallback  callback,
                             gpointer             user_data);

  gboolean (*exists_finish) (PolkitSubject       *subject,
                             GAsyncResult        *res,
                             GError             **error);

  gboolean (*exists_sync)   (PolkitSubject       *subject,
                             GCancellable        *cancellable,
                             GError             **error);
};
</pre>
<p>
An interface for subjects.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="PolkitSubjectIface.parent-iface"></a>parent_iface</code></em>;</span></p></td>
<td>The parent interface.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.hash"></a>hash</code></em> ()</span></p></td>
<td>Gets a hash value for a <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.equal"></a>equal</code></em> ()</span></p></td>
<td>Checks if two <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>s are equal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.to-string"></a>to_string</code></em> ()</span></p></td>
<td>Serializes a <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> to a string that can be
used in <a class="link" href="PolkitSubject.html#polkit-subject-from-string" title="polkit_subject_from_string ()"><code class="function">polkit_subject_from_string()</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.exists"></a>exists</code></em> ()</span></p></td>
<td>Asynchronously check if a <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.exists-finish"></a>exists_finish</code></em> ()</span></p></td>
<td>Finishes checking if a <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> exists.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PolkitSubjectIface.exists-sync"></a>exists_sync</code></em> ()</span></p></td>
<td>Synchronously check if a <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> exists.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="polkit-subject-hash"></a><h3>polkit_subject_hash ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               polkit_subject_hash                 (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>);</pre>
<p>
Gets a hash code for <em class="parameter"><code>subject</code></em> that can be used with e.g. <a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#g-hash-table-new"><code class="function">g_hash_table_new()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A hash code.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="polkit-subject-equal"></a><h3>polkit_subject_equal ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            polkit_subject_equal                (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *a</code></em>,
                                                         <em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *b</code></em>);</pre>
<p>
Checks if <em class="parameter"><code>a</code></em> and <em class="parameter"><code>b</code></em> are equal, ie. represent the same subject.
</p>
<p>
This function can be used in e.g. <a href="http://library.gnome.org/devel/glib/unstable/glib-Hash-Tables.html#g-hash-table-new"><code class="function">g_hash_table_new()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>a</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>b</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>a</code></em> and <em class="parameter"><code>b</code></em> are equal, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="polkit-subject-exists"></a><h3>polkit_subject_exists ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                polkit_subject_exists               (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>
Asynchronously checks if <em class="parameter"><code>subject</code></em> exists.
</p>
<p>
When the operation is finished, <em class="parameter"><code>callback</code></em> will be invoked in the
<GTKDOCLINK HREF="g-main-context-push-thread-default">thread-default
main loop</GTKDOCLINK> of the thread you are calling this method
from. You can then call <a class="link" href="PolkitSubject.html#polkit-subject-exists-finish" title="polkit_subject_exists_finish ()"><code class="function">polkit_subject_exists_finish()</code></a> to get the
result of the operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>A <a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>A <a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> to call when the request is satisfied</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>The data to pass to <em class="parameter"><code>callback</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="polkit-subject-exists-finish"></a><h3>polkit_subject_exists_finish ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            polkit_subject_exists_finish        (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html"><span class="type">GAsyncResult</span></a> *res</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Finishes checking whether a subject exists.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>res</code></em> :</span></p></td>
<td>A <a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html"><span class="type">GAsyncResult</span></a> obtained from the <a href="http://library.gnome.org/devel/gio/unstable/GAsyncResult.html#GAsyncReadyCallback"><span class="type">GAsyncReadyCallback</span></a> passed to <a class="link" href="PolkitSubject.html#polkit-subject-exists" title="polkit_subject_exists ()"><code class="function">polkit_subject_exists()</code></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>Return location for error or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the subject exists, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if not or <em class="parameter"><code>error</code></em> is set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="polkit-subject-exists-sync"></a><h3>polkit_subject_exists_sync ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            polkit_subject_exists_sync          (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> *cancellable</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Checks if <em class="parameter"><code>subject</code></em> exists.
</p>
<p>
This is a synchronous blocking call - the calling thread is blocked
until a reply is received. See <a class="link" href="PolkitSubject.html#polkit-subject-exists" title="polkit_subject_exists ()"><code class="function">polkit_subject_exists()</code></a> for the
asynchronous version.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>A <a href="http://library.gnome.org/devel/gio/unstable/GCancellable.html"><span class="type">GCancellable</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>Return location for error or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the subject exists, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if not or <em class="parameter"><code>error</code></em> is set.</td>
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<div class="refsect2">
<a name="polkit-subject-to-string"></a><h3>polkit_subject_to_string ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *             polkit_subject_to_string            (<em class="parameter"><code><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> *subject</code></em>);</pre>
<p>
Serializes <em class="parameter"><code>subject</code></em> to a string that can be used in
<a class="link" href="PolkitSubject.html#polkit-subject-from-string" title="polkit_subject_from_string ()"><code class="function">polkit_subject_from_string()</code></a>.
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<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>.</td>
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<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A string representing <em class="parameter"><code>subject</code></em>. Free with <a href="http://library.gnome.org/devel/glib/unstable/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>.</td>
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<hr>
<div class="refsect2">
<a name="polkit-subject-from-string"></a><h3>polkit_subject_from_string ()</h3>
<pre class="programlisting"><a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="returnvalue">PolkitSubject</span></a> *     polkit_subject_from_string          (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *str</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Creates an object from <em class="parameter"><code>str</code></em> that implements the <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a>
interface.
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<td><p><span class="term"><em class="parameter"><code>str</code></em> :</span></p></td>
<td>A string obtained from <a class="link" href="PolkitSubject.html#polkit-subject-to-string" title="polkit_subject_to_string ()"><code class="function">polkit_subject_to_string()</code></a>.</td>
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<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>Return location for error or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<a href="http://foldoc.org/allow-none"><span class="acronym">allow-none</span></a>]</span>
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A <a class="link" href="PolkitSubject.html" title="PolkitSubject"><span class="type">PolkitSubject</span></a> or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>error</code></em> is
set. Free with <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a>. <span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span>
</td>
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</table></div>
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